The AM9.8CR253 from Anatech Electronics is a Band Pass Filter with Frequency 9.8 MHz, Bandwidth 0.016 KHz, Center Frequency 9.8 MHz, Insertion Loss 5 dB, Lower Rejection 40 dB at Fc +/- 25 kHz. Tags: Surface Mount, Crystal Filter. More details for AM9.8CR253 can be seen below.